Engineering on staff
Erection plans, drawings, and calculations handled in-house — no waiting on third parties when conditions change in the field.
Our Standard is to Exceed Expectations.
We build the backbone of your community.
Roads, bridges, water, and the buildings behind them. For 50+ years, government agencies and industrial operators across Pennsylvania, Ohio, Maryland, New York, West Virginia, Virginia, and North Carolina have trusted Thomas Construction to deliver the hard jobs — on schedule, on budget, and built to outlast the contract.
0+
Years of continuous operation
0+
Skilled employees — union crews, PE-led
Caterpillar Contractor of the Year Safety Award
0
States served:PA · OH · MD · NY · WV · VA · NC
0
DOT prequalifications: PennDOT & Ohio DOT
Who We Serve
Paden Creek Bridge ProjectGovernment
Municipalities, state DOTs, and federal agencies count on us for paving, concrete, bridges and box culverts, wastewater facilities, vertical construction, and year-round maintenance — including snow removal.
- PennDOT & Ohio DOT prequalified
- PA DGS qualified
- SAM.gov registered
Cool Springs ProjectCommercial & Industrial
Steel mills, utilities, universities, and developers use us as their standing contractor for recurring maintenance under MSA programs and for capital work: paving, concrete, wastewater treatment, and new construction.
- One call
- A crew that already knows your site
The Thomas difference
Why owners choose Thomas
Self-performing with our own iron
GPS-equipped CAT fleet, drone surveying, and field-to-office reporting keep your project moving and your inspector informed.
Safety that's earned, not claimed
An employee-run program that won Caterpillar's Contractor of the Year Safety Award — and has been strengthened every year since.
Relationships that hold
Six union locals, multi-decade tenures, and leadership that answers the phone. The crew that bids your job is the crew that builds it.
Prequalified. Letting-tested. District-trusted.
PennDOT Prequalified
Ohio DOT Certified
PA DGS Qualified
SAM.gov Registered
Union Contractor · 6 Locals
Caterpillar Safety Award Winner
Have a project, a program, or a problem?
Talk to us before you write the spec.