Great Southwestern Construction Inc.

Castle Rock, CO Part of MYR Group Inc.

UEI
P68BLME1F4N3
CAGE
79671
Primary NAICS
237130 Power and Communication Line and Related Structures Construction
SAM.gov registration
Active through

Company facts

FY2025 rankings

Its parent company, MYR Group Inc., ranks #74 in PSC J061

Self-certified in SAM.gov
  • For Profit Organization
Entity structure
Corporate Entity (Not Tax Exempt)
Corporate family
  • MYR Group Inc. Parent Thornton, CO EQWDCK954VJ5
    • Great Southwestern Construction Inc.
SAM.gov registration date
Physical address
1100 Topeka Way, Castle Rock, CO 80109, USA
Website
gswc.us
Founded
1891
Employees
251-1K
Estimated annual revenue
$1B-$10B
Industry
  1. Industrials
  2. Capital Goods
  3. Construction & Engineering
SIC code
17 Special Trade Contractors
Profiles

Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .

Contract awards

Award Agency Obligated Awarded
Definitive Contract DEAC6503WC63644 Western Area Power Administration $1,437,457
Definitive Contract DEAC6502WJ60525 Western Area Power Administration $438,000
Definitive Contract DEAC6502WC60477 Western Area Power Administration $864,652
Delivery Order F0260498D0036-5034 Air Force $2,633
Delivery Order F0260498D0036-5033 Air Force $29,965

Latest 5 listed here. See the rest on GovTribe.

Quick answers

Is Great Southwestern Construction Inc. registered in SAM.gov?

Yes. Great Southwestern Construction Inc.'s SAM.gov registration is active through January 5, 2027.

How does Great Southwestern Construction Inc. rank among federal contractors?

Great Southwestern Construction Inc.'s parent company, MYR Group Inc., ranked #74 in PSC J061 in FY2025.

What is Great Southwestern Construction Inc.'s most recent federal award?

Great Southwestern Construction Inc.'s most recent federal contract award is Definitive Contract DEAC6503WC63644, from Western Area Power Administration, on September 15, 2003.

On GovTribe

See Great Southwestern Construction Inc.'s full federal record

  • Federal contract awards
  • IDV awards
  • Funding analysis by agency, NAICS and set-aside
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