OHM International Corp.
Houston, TX 77042
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Our Story
Since 1958, OHM International Corporation has earned an envied reputation as a world-class, one-stop integrated resource for a complete array of electrical, industrial, telecom & HVAC materials. As a master International distributor for hundreds of quality manufacturers, OHM provides the right equipment, at the right price, on-time, anywhere in the world.
Our proven ability to adapt and utilize the most efficient technology and planning to consolidate a wide scope of equipment manufactured by the world’s best factories, gives our customer base confidence that they will receive dependable, cost-effective solutions for either their large-scale projects or simply supplying the daily (MRO) needs of their operation.
With OHM International, you will be integrated with the finest manufacturers in a coordinated materials management partnership designed to reduce downtime and streamline the supply of your equipment needs.
Commercial Experience
Misc Project
Animal Hospital / Kennel
Assisted Living
Bank
Church / Synagogue
Club House / Community Center
Data Centers - Mission Critical
Fitness Center
Gas Station
Golf Course
Grocery Stores
Hospital / Nursing Home
Hotel / Motel
House
Industrial Maintenance
Laboratory
Manufacturing Plant
Medical Office
Museum
Non-Residential Building
Office Building
Power Generation & Distribution
Renewable Energy
Residential Building
Restaurant
Retail Store
Single Family Residential
Storage Facility / Warehouse
Theater
Utilities
Regions & Counties Serviced
- Houston
Louisiana All
Texas All
Our CSI Codes
01 51 33 - Temporary Telecommunications
11 28 19 - Self-Contained Facsimile Machines
12 43 13 - Lamps
13 50 00.00.01 - Special Instrumentation
23 05 13 - Common Motor Requirements for HVAC Equipment
23 09 13 - Instrumentation and Control Devices for HVAC
23 09 13.13 - Actuators and Operators
23 09 13.23 - Sensors and Transmitters
23 09 23 - Direct-Digital Control System for HVAC
23 09 33 - Electric and Electronic Control System for HVAC
23 09 43 - Pneumatic Control System for HVAC
23 09 53 - Pneumatic and Electric Control System for HVAC
23 09 93 - Sequence of Operations for HVAC Controls
23 31 16.13 - Fibrous-Glass Ducts
23 31 16.16 - Thermoset Fiberglass-Reinforced Plastic Ducts
23 36 13 - Constant-Air-Volume Units
23 36 16 - Variable-Air-Volume Units
23 57 19 - Liquid-to-Liquid Heat Exchangers
23 57 19.13 - Plate-Type, Liquid-to-Liquid Heat Exchangers
23 57 19.16 - Shell-Type, Liquid-to-Liquid Heat Exchangers
23 64 26 - Rotary-Screw Water Chillers
23 70 00.00.01 - Central HVAC Equipment
23 72 13 - Heat-Wheel Air-to-Air Energy-Recovery Equipment
23 72 16 - Heat-Pipe Air-to-Air Energy-Recovery Equipment
23 72 19 - Fixed-Plate Air-to-Air Energy-Recovery Equipment
23 72 23 - Packaged Air-to-Air Energy-Recovery Units
23 73 13 - Modular Indoor Central-Station Air-Handling Units
23 73 23 - Custom Indoor Central-Station Air-Handling Units
23 74 13 - Packaged, Outdoor, Central-Station Air-Handling Units
23 74 23.13 - Packaged, Direct-Fired, Outdoor, Heating-Only Makeup-Air Units
23 74 23.16 - Packaged, Indirect-Fired, Outdoor, Heating-Only Makeup-Air Units
23 74 33 - Packaged, Outdoor, Heating and Cooling Makeup Air-Conditioners
23 75 13 - Custom-Packaged, Outdoor, Central-Station Air-Handling Units
23 75 23 - Custom-Packaged, Outdoor, Heating and Ventilating Makeup-Air Units
23 75 33 - Custom-Packaged, Outdoor, Heating and Cooling Makeup Air-Conditioners
23 80 00.00.01 - Decentralized HVAC Equipment
23 81 13 - Packaged Terminal Air-Conditioners
23 81 16 - Room Air-Conditioners
23 81 19 - Self-Contained Air-Conditioners
23 81 19.13 - Small-Capacity Self-Contained Air-Conditioners
23 81 19.16 - Large-Capacity Self-Contained Air-Conditioners
23 81 23 - Computer-Room Air-Conditioners
23 81 26 - Split-System Air-Conditioners
23 82 13 - Valance Heating and Cooling Units
23 82 16 - Air Coils
23 82 19 - Fan Coil Units
25 01 10 - Operation and Maintenance of Integrated Automation Network Equipment
25 01 20 - Operation and Maintenance of Integrated Equipment
25 01 30 - Operation and Maintenance of Integrated Automation Instrumentation and Terminal Devices
25 01 90 - Diagnostic Systems for Integrated Automation
25 05 28 - Pathways for Integrated Automation
25 05 28.29 - Hangers and Supports for Integrated Automation
25 05 28.39 - Surface Raceways for Integrated Automation
25 05 53 - Identification for Integrated Automation
25 06 11 - Schedules for Integrated Automation Network
25 06 12 - Schedules for Integrated Automation Network Gateways
25 06 13 - Schedules for Integrated Automation Control and Monitoring Network
25 06 14 - Schedules for Integrated Automation Local Control Units
25 06 30 - Schedules for Integrated Automation Instrumentation and Terminal Devices
25 14 13 - Integrated Automation Remote Control Panels
25 14 16 - Integrated Automation Application-Specific Control Panels
25 14 19 - Integrated Automation Terminal Control Units
25 14 23 - Integrated Automation Field Equipment Panels
25 30 00.00.01 - Integrated Automation Instrumentation and Terminal Devices
25 31 00.00.01 - Integrated Automation Instrumentation and Terminal Devices for Facility Equipment
25 35 13 - Integrated Automation Actuators and Operators
25 35 16 - Integrated Automation Sensors and Transmitters
25 35 19 - Integrated Automation Control Valves
25 35 26 - Integrated Automation Compressed Air Supply
25 36 13 - Integrated Automation Power Meters
25 36 16 - Integrated Automation KW Transducers
25 36 19 - Integrated Automation Current Sensors
25 36 23 - Integrated Automation Battery Monitors
25 36 26 - Integrated Automation Lighting Relays
25 36 29 - Integrated Automation UPS Monitors
25 37 00.00.01 - Integrated Automation Instrumentation and Terminal Devices for Communications Systems
25 38 00.00.01 - Integrated Automation Instrumentation and Terminal Devices for Electronic Safety and Security Systems
25 50 00.00.01 - Integrated Automation Facility Controls
25 51 00.00.01 - Integrated Automation Control of Facility Equipment
25 55 00.00.01 - Integrated Automation Control of HVAC
25 56 00.00.01 - Integrated Automation Control of Electrical Systems
25 57 00.00.01 - Integrated Automation Control of Communications Systems
25 90 00.00.01 - Integrated Automation Control Sequences
25 91 00.00.01 - Integrated Automation Control Sequences for Facility Equipment
25 95 00.00.01 - Integrated Automation Control Sequences for HVAC
25 96 00.00.01 - Integrated Automation Control Sequences for Electrical Systems
25 97 00.00.01 - Integrated Automation Control Sequences for Communications Systems
26 01 30 - Operation and Maintenance of Facility Electrical Power Generating and Storing Equipment
26 05 13.13 - Medium-Voltage Open Conductors
26 05 26 - Grounding and Bonding for Electrical Systems
26 05 29 - Hangers and Supports for Electrical Systems
26 05 33 - Raceway and Boxes for Electrical Systems
26 05 36 - Cable Trays for Electrical Systems
26 05 39 - Underfloor Raceways for Electrical Systems
26 05 48 - Vibration and Seismic Controls for Electrical Systems
26 05 53 - Identification for Electrical Systems
26 06 30 - Schedules for Facility Electrical Power Generating and Storing Equipment
26 09 23 - Lighting Control Devices
26 09 26 - Lighting Control Panelboards
26 09 33 - Central Dimming Controls
26 09 33.13 - Multichannel Remote-Controlled Dimmers
26 09 33.16 - Remote-Controlled Dimming Stations
26 09 36 - Modular Dimming Controls
26 09 36.13 - Manual Modular Dimming Controls
26 09 36.16 - Integrated Multipreset Modular Dimming Controls
26 09 43 - Network Lighting Controls
26 09 43.13 - Digital-Network Lighting Controls
26 09 43.16 - Addressable Fixture Lighting Control
26 11 13 - Primary Unit Substations
26 11 16 - Secondary Unit Substations
26 12 13 - Liquid-Filled, Medium-Voltage Transformers
26 12 16 - Dry-Type, Medium-Voltage Transformers
26 12 19 - Pad-Mounted, Liquid-Filled, Medium-Voltage Transformers
26 13 13 - Medium-Voltage Circuit Breaker Switchgear
26 13 16 - Medium-Voltage Fusible Interrupter Switchgear
26 13 19 - Medium-Voltage Vacuum Interrupter Switchgear
26 18 16 - Medium-Voltage Fuses
26 18 19 - Medium-Voltage Lightning Arresters
26 18 23 - Medium-Voltage Surge Arresters
26 18 26 - Medium-Voltage Reclosers
26 18 29 - Medium-Voltage Enclosed Bus
26 18 33 - Medium-Voltage Enclosed Fuse Cutouts
26 18 36 - Medium-Voltage Enclosed Fuses
26 18 39 - Medium-Voltage Motor Controllers
26 22 13 - Low-Voltage Distribution Transformers
26 22 16 - Low-Voltage Buck-Boost Transformers
26 22 19 - Control and Signal Transformers
26 23 13 - Paralleling Low-Voltage Switchgear
26 24 16 - Panelboards
26 24 19 - Motor-Control Centers
26 25 00.00.01 - Enclosed Bus Assemblies
26 26 00.00.01 - Power Distribution Units
26 27 13 - Electricity Metering
26 27 16 - Electrical Cabinets and Enclosures
26 27 19 - Multi-Outlet Assemblies
26 27 23 - Indoor Service Poles
26 27 26 - Wiring Devices
26 28 13 - Fuses
26 28 16 - Enclosed Switches and Circuit Breakers
26 29 13 - Enclosed Controllers
26 29 13.13 - Across-the-Line Motor Controllers
26 29 13.16 - Reduced-Voltage Motor Controllers
26 29 23 - Variable-Frequency Motor Controllers
26 32 13 - Engine Generators
26 32 13.13 - Diesel-Engine-Driven Generator Sets
26 32 13.16 - Gas-Engine-Driven Generator Sets
26 32 16 - Steam-Turbine Generators
26 32 19 - Hydro-Turbine Generators
26 32 26 - Frequency Changers
26 32 29 - Rotary Converters
26 32 33 - Rotary Uninterruptible Power Units
26 33 13 - Batteries
26 33 19 - Battery Units
26 33 23 - Central Battery Equipment
26 33 33 - Static Power Converters
26 33 46 - Battery Monitoring
26 33 53 - Static Uninterruptible Power Supply
26 35 13 - Capacitors
26 35 16 - Chokes and Inductors
26 35 23 - Electromagnetic-Interference Filters
26 35 26 - Harmonic Filters
26 35 33 - Power Factor Correction Equipment
26 35 36 - Slip Controllers
26 35 43 - Static-Frequency Converters
26 35 46 - Radio-Frequency-Interference Filters
26 35 53 - Voltage Regulators
26 36 13 - Manual Transfer Switches
26 36 23 - Automatic Transfer Switches
27 01 50 - Operation and Maintenance of Distributed Communications and Monitoring
27 05 13 - Communications Services
27 05 28.29 - Hangers and Supports for Communications Systems
27 05 28.36 - Cable Trays for Communications Systems
27 05 28.39 - Surface Raceways for Communications Systems
27 05 43 - Underground Ducts and Raceways for Communications Systems
27 05 48 - Vibration and Seismic Controls for Communications Systems
27 05 53 - Identification for Communications Systems
27 06 50 - Schedules for Distributed Communications and Monitoring
27 11 19 - Communications Termination Blocks and Patch Panels
27 11 26 - Communications Rack Mounted Power Protection and Power Strips
27 15 00.43 - Nurse Call and Intercom Communications Horizontal Cabling
27 15 00.46 - Paging Communications Horizontal Cabling
27 15 43 - Communications Faceplates and Connectors
27 16 16 - Communications Media Converters, Adapters, and Transceivers
27 21 29 - Data Communications Switches and Hubs
27 21 33 - Data Communications Wireless Access Points
27 22 29 - Data Communications Handhelds
27 33 26 - Facsimile Servers
27 42 19 - Public Information Systems
27 50 00.00.01 - Distributed Communications and Monitoring Systems
27 51 13 - Paging Systems
27 51 13.13 - Overhead Paging Systems
27 51 16 - Public Address and Mass Notification Systems
27 52 16 - Telemedicine Systems
27 52 19 - Healthcare Imaging Systems
27 52 23 - Nurse Call/Code Blue Systems
27 53 13 - Clock Systems
28 05 28.29 - Hangers and Supports for Electronic Safety and Security
28 05 48 - Vibration and Seismic Controls for Electronic Safety and Security
28 05 53 - Identification for Electronic Safety and Security
33 12 33 - Water Utility Metering
33 51 33 - Natural-Gas Metering
33 61 33 - Hydronic Energy Distribution Metering
33 63 33 - Steam Energy Distribution Metering
33 71 23 - Insulators and Fittings
33 71 23.13 - Suspension Insulators
33 71 23.16 - Post Insulators
33 71 23.23 - Potheads
33 71 26 - Transmission and Distribution Equipment
33 71 26.13 - Capacitor Banks
33 71 26.16 - Coupling Capacitors
33 71 26.23 - Current Transformers
33 71 26.26 - Potential Transformers
33 71 73 - Electrical Utility Services
33 71 73.33 - Electric Meters
33 72 13 - Deadend Structures
33 72 23 - Structural Bus Supports
33 72 23.13 - Bus Support Insulators
33 72 26 - Substation Bus Assemblies
33 72 26.13 - Aluminum Substation Bus Assemblies
33 72 26.16 - Copper Substation Bus Assemblies
33 72 33 - Control House Equipment
33 72 33.13 - Relays
33 72 33.16 - Substation Control Panels
33 72 33.23 - Power-Line Carriers
33 72 33.33 - Raceway and Boxes for Utility Substations
33 72 33.36 - Cable Trays for Utility Substations
33 72 33.43 - Substation Backup Batteries
33 72 33.46 - Substation Converter Stations
33 73 13 - Liquid-Filled Utility Transformers
33 73 23 - Dry-Type Utility Transformers
33 75 13 - Air High-Voltage Circuit Breaker
33 75 16 - Oil High-Voltage Circuit Breaker
33 75 19 - Gas High-Voltage Circuit Breaker
33 75 23 - Vacuum High-Voltage Circuit Breaker
33 75 36 - High-Voltage Utility Fuses
33 75 43 - Shunt Reactors
33 77 13 - Air Medium-Voltage Circuit Breaker
33 77 16 - Oil Medium-Voltage Circuit Breaker
33 77 19 - Gas Medium-Voltage Circuit Breaker
33 77 23 - Vacuum Medium-Voltage Circuit Breaker
33 77 26 - Medium-Voltage Utility Fusible Interrupter Switchgear
33 77 33 - Medium-Voltage Utility Cutouts
33 77 36 - Medium-Voltage Utility Fuses
33 77 39 - Medium-Voltage Utility Surge Arresters
33 77 53 - Medium-Voltage Utility Reclosers
34 21 13 - High Power Static Frequency Converters
34 21 19 - Traction Power Switchgear
34 21 19.13 - AC Traction Power Switchgear
34 21 19.16 - DC Traction Power Switchgear
34 21 19.23 - Frequency Changer
34 21 23 - Traction Power Transformer-Rectifier Units
34 43 26.13 - Airfield Lighting Control Equipment
34 43 26.16 - Airfield Lighting PLC Control Equipment
40 90 00.00.01 - Instrumentation and Control for Process Systems
40 92 49 - Variable Frequency Drives
40 93 13.13 - Electronic Analog Controllers
40 94 23 - Distributed Process Control Systems
40 94 43 - Programmable Logic Process Controllers
40 95 13 - Process Control Panels and Hardware
40 95 13.13 - Local Process Control Panels and Hardware
40 95 13.23 - Main Process Control Panels and Hardware
40 95 56 - Process Control Transformers
40 95 63 - Process Control Wireless Equipment
40 95 63.13 - Process Control Wireless Transmitters
40 95 63.16 - Process Control Wireless Receivers
40 95 63.19 - Process Control Wireless Repeaters
40 95 73.33 - Process Control Conduit, Raceway and Supports
40 95 73.43 - Process Control Junction Boxes
41 11 39 - Bulk Material Lump Breakers
41 36 19.33 - Soldering Equipment
41 65 16 - Mobile Generators
42 14 16 - Atmosphere Generators
48 01 10 - Operation and Maintenance of Electrical Power Generation Equipment
48 01 70 - Operation and Maintenance of Electrical Power Generation Testing
48 05 00.00.01 - Common Work Results for Electrical Power Generation
48 06 10 - Schedules for Electrical Power Generation Equipment
48 06 70 - Schedules for Electrical Power Generation Testing
48 09 00.00.01 - Instrumentation and Control for Electrical Power Generation
48 10 00.00.01 - Electrical Power Generation Equipment
48 11 26 - Fossil Fuel Electrical Power Plant Generators
48 12 23 - Nuclear Fuel Electrical Power Plant Steam Generators
48 12 33 - Nuclear Fuel Electrical Power Generators
48 13 16 - Hydroelectric Power Plant Electrical Power Generators
48 16 23 - Geothermal Energy Electrical Power Generators
48 17 13 - Electrical Power Generation Batteries
48 18 13 - Electrical Power Generation Fuel Cells
48 19 13 - Electrical Power Generation Battery Charging Equipment
48 19 23 - Electrical Power Generation Transformers
48 19 26 - Electrical Power Generation Voltage Regulators
