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Our Story
Colby Co. Incorporated is a contractor specializing in underground utilities, site development, and demolition contractors. We are conveniently located in Pflugerville, Texas and service the San Antonio/ Austin area. Please give us a call and allow us to assist you in your excavating and demoliton needs.
What We Do
Commercial Experience
Misc Project
School / College / University
Terminal - Airport / Bus / Railroad
Regions & Counties Serviced
- San Antonio and Austin
Texas 42
- Bandera
- Bastrop
- Bell
- Bexar
- Blanco
- Bosque
- Brazos
- Burleson
- Burnet
- Caldwell
- Comal
- Comanche
- Coryell
- Falls
- Fayette
- Freestone
- Gillespie
- Gonzales
- Grimes
- Guadalupe
- Hamilton
- Hays
- Hill
- Kendall
- Kerr
- Kimble
- Lampasas
- Lee
- Leon
- Limestone
- Llano
- Madison
- Mason
- Mclennan
- Milam
- Mills
- Robertson
- San Saba
- Travis
- Washington
- Williamson
- Wilson
Our CSI Codes
01 89 13 - Site Preparation Performance Requirements
01 89 16 - Site Improvements Performance Requirements
01 89 19 - Site Plumbing Utilities Performance Requirements
01 89 23 - Site HVAC Utilities Performance Requirements
01 89 26 - Site Electrical Utilities Performance Requirements
01 89 29 - Other Site Construction Performance Requirements
01 94 13 - Facility Decommissioning Procedures
02 32 19 - Exploratory Excavations
02 40 00.00.01 - Demolition and Structure Moving
02 41 13 - Selective Site Demolition
02 41 13.23 - Utility Line Removal
02 41 16 - Structure Demolition
02 41 16.13 - Building Demolition
02 41 16.23 - Tower Demolition
02 41 16.33 - Bridge Demolition
02 41 16.43 - Dam Demolition
02 41 19 - Selective Structure Demolition
02 41 19.13 - Selective Building Demolition
02 41 91 - Selective Historic Demolition
02 42 91 - Removal and Salvage of Historic Construction Materials
02 58 16 - Snow Avalanche Control
23 22 13.13 - Underground Steam and Condensate Heating Piping
26 05 43 - Underground Ducts and Raceways for Electrical Systems
31 06 20.13 - Trench Dimension Schedule
31 10 00.00.01 - Site Clearing
31 14 13.23 - Topsoil Stripping and Stockpiling
31 21 16.13 - Methane Venting
31 23 13 - Subgrade Preparation
31 30 00.00.01 - Earthwork Methods
32 01 30 - Operation and Maintenance of Site Improvements
32 06 30 - Schedules for Site Improvements
32 30 00.00.01 - Site Improvements
32 71 00.00.01 - Constructed Wetlands
32 72 00.00.01 - Wetlands Restoration
33 01 60 - Operation and Maintenance of Hydronic and Steam Energy Utilities
33 01 70 - Operation and Maintenance of Electrical Utilities
33 01 80 - Operation and Maintenance of Communications Utilities
33 06 10 - Schedules for Water Utilities
33 06 40 - Schedules for Storm Drainage Utilities
33 06 60 - Schedules for Hydronic and Steam Energy Utilities
33 06 70 - Schedules for Electrical Utilities
33 09 40 - Instrumentation and Control for Storm Drainage Utilities
33 09 60 - Instrumentation and Control for Hydronic and Steam Energy Utilities
33 09 70 - Instrumentation and Control for Electrical Utilities
33 11 16 - Site Water Utility Distribution Piping
33 29 00.00.01 - Well Abandonment
33 33 13 - Sanitary Utility Sewerage
33 33 16 - Combined Utility Sewerage
33 34 13 - Sanitary Utility Sewerage Inverted Siphons
33 41 13 - Public Storm Utility Drainage Piping
33 47 16.13 - Pond Covers
33 47 16.53 - Reservoir Covers
33 47 19.13 - Water Distribution Ponds
33 47 19.16 - Water Retainage Reservoirs
33 47 19.23 - Cooling Water Ponds
33 47 19.33 - Fire-Protection Water Ponds
33 47 23 - Sanitary Sewerage Lagoons
33 47 26 - Storm Drainage Ponds and Reservoirs
33 47 26.13 - Stabilization Ponds
33 47 26.16 - Retention Basins
33 47 26.19 - Leaching Pits
33 50 00.00.01 - Fuel Distribution Utilities
33 51 13 - Natural-Gas Piping
33 60 00.00.01 - Hydronic and Steam Energy Utilities
33 61 13 - Underground Hydronic Energy Distribution
33 61 23 - Aboveground Hydronic Energy Distribution
33 63 13 - Underground Steam and Condensate Distribution Piping
33 70 00.00.01 - Electrical Utilities
33 71 19 - Electrical Underground Ducts and Manholes
33 71 39.23 - Underground High-Voltage Wiring
33 71 49.23 - Underground Medium-Voltage Wiring
33 79 19 - Utilities Grounding
33 79 19.13 - Electrical Utilities Grounding
33 79 19.16 - Communications Utilities Grounding
35 73 13 - Earth Embankment Dam
40 23 36 - Sanitary Water Process Piping
