Oak Brook Mechanical Services, Inc.
Elmhurst, IL 60126
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Our Story
It all started in 1975, when Oak Brook Mechanical Services, Inc. (OMS) was created as an HVAC service contractor. In the succeeding 45 years, we have grown into one of Chicagoland's largest and best installing and servicer companies. We service a wide variety of HVAC equipment and piping. We have successfully branched out into engineering and planning, renovation of existing systems and today's all-important energy management. "Green," sustainable energy sources such as natural compressed gas are particular areas of expertise.
OMS is a certified welding bureau contractor and a proud member of ASHRAE, The American Society of Heating, Refrigeration and Air-Conditioning Engineers. Our employees belong to the PipeFitters Union, Locals 597.
When you see one of our 23 service vehicles on the road 24/7, it's because a wide variety of customers have trusted OMS to provide the utmost in quality installation and service. They've come to know that our commitment is to satisfying their--and your--sales, service and installation needs.
Commercial Experience
Apartments & Condominiums
Auto Dealership / Service
Bank
Laboratory
Library
Misc Project
Retail Store
School / College / University
Animal Hospital / Kennel
Arena / Stadium
Assisted Living
Casinos
Church / Synagogue
City / Town Hall
Club House / Community Center
Court House
Data Centers - Mission Critical
Design Build
Education (K-12)
Fire / Police Station
Fitness Center
Gas Station
Government
Grocery Stores
Historic Preservation
Hospital / Nursing Home
Hotel / Motel
Industrial Maintenance
Jail / Prison
Manufacturing Plant
Medical Office
Museum
Non-Residential Building
Office Building
Parking Garage
Post Office
Renewable Energy
Residential Building
Restaurant
Storage Facility / Warehouse
Terminal - Airport / Bus / Railroad
Theater
Theme Park
Tunnel
Utilities
Regions & Counties Serviced
- Chicago, N.W. Indiana
Illinois 6
- Cook
- Dupage
- Kane
- Lake
- Mchenry
- Will
Indiana 2
- Lake
- Porter
Our CSI Codes
23 01 20 - Operation and Maintenance of HVAC Piping and Pumps
23 01 30 - Operation and Maintenance of HVAC Air Distribution
23 01 50 - Operation and Maintenance of Central Heating Equipment
23 01 60 - Operation and Maintenance of Central Cooling Equipment
23 01 70 - Operation and Maintenance of Central HVAC Equipment
23 01 80 - Operation and Maintenance of Decentralized HVAC Equipment
23 05 13 - Common Motor Requirements for HVAC Equipment
23 06 20 - Schedules for HVAC Piping and Pumps
23 06 30 - Schedules for HVAC Air Distribution
23 06 30.16 - Air Terminal Unit Schedule
23 06 30.19 - Air Outlet and Inlet Schedule
23 06 50 - Schedules for Central Heating Equipment
23 06 50.13 - Heating Boiler Schedule
23 06 70 - Schedules for Central HVAC Equipment
23 06 70.13 - Indoor, Central-Station Air-Handling Unit Schedule
23 06 70.16 - Packaged Outdoor HVAC Equipment Schedule
23 06 80 - Schedules for Decentralized HVAC Equipment
23 06 80.13 - Decentralized Unitary HVAC Equipment Schedule
23 06 80.16 - Convection Heating and Cooling Unit Schedule
23 20 00.00.01 - HVAC Piping and Pumps
23 30 00.00.01 - HVAC Air Distribution
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
Project Experience
- Union
- Prevailing Wages (Davis Bacon)
- Public
- Private
- New Projects
- Alterations/Renovations
- Interior Fit-Ups
- Service Work/Repairs
- Projects Up to $10,000,000
- LEED Experience
- BIM Experience
Gallery
Elk Grove Village (Illinois) Village Safety Complex
Elk Grove Village (Illinois) Village Safety Complex
Fenton High School
Bill Jacobs BMW
