Our clients range from local businesses to international giants of commerce. No matter the size of our client’s business or their project, we pour our experience, expertise and passion into getting the job done safely, responsibly, within budget and on time.

To maximize the project owner’s ROI, we apply our combined seventy-plus years of engineering and field experience to contribute extensively to creating a jobsite that is safety-focused, quality-driven and detail-oriented. Our team consistently provides cost-saving solutions on every commercial construction project we undertake, to such a degree that our clients have collectively saved hundreds of thousands of dollars as a direct result to our unique project owner-centered approach.

Mainline is Central Pennsylvania’s trusted excavation team, with thousands of hours of experience working on jobsites that include shopping centers, phased projects, housing developments, industrial projects and parking lots, to name just a few. Our professional crew is a versatile team that adds value to many types of projects and is dedicated to helping to execute your project successfully.

Current Projects

Creekvale Townhomes
CREEKVALE TOWNHOMES
  • Location: Harrisburg, PA
  • Client: Williams Development Partners
Gettysburg Pike and South Market Street
GETTYSBURG PIKE & S MARKET ST
  • Location: Harrisburg, PA
  • Client: Williams Development Partners
Forest Hills Commons
FOREST HILLS COMMONS
  • Location: Harrisburg, PA
  • Client: Vanguard Realty Group, Inc.

Featured Projects

US Renal Care York
US RENAL CARE - YORK
  • Location: York, PA
  • Client: Williams Development Partners
Sir Thomas Court
815 SIR THOMAS COURT
  • Location: Harrisburg, PA
  • Client: Williams Development Partners
Sir Thomas Court
SOCCER SHOTS
  • Location: Harrisburg, PA
  • Client: SYB Property Group, LLC
Planet Fitness - Newberry Commons
PLANET FITNESS - NEWBERRY COMMONS
  • Location: Etters, PA
  • Client: National Fitness Partners
Ephrata Marketplace
EPHRATA MARKETPLACE
  • Location: Ephrata, PA
  • Client: RVG
Wiedman Funeral Home
WIEDEMAN FUNERAL HOME
  • Location: Harrisburg, PA
  • Client: Wiedman Funeral Home
UPS Parking Facility
UPS PARKING FACILITY
  • Location: Harrisburg, PA
  • Client: United Parcel Services

Additional Projects

Project:
New DHS & OA offices

Location:
Harrisburg, PA

Client:
Hudson Companies


Project:
Sheetz - RT 441

Location:
Harrisburg, PA

Client:
Sheetz, Inc.


Project:
UPMC Pinnacle - West Shore Hospital Expansion

Location:
Mechanicsburg, PA

Client:
UPMC Pinnacle


Project:
Hershey Towne Square

Location:
Hershey, PA

Client:
RVG


Project:
Susquehanna Marketplace - Home2 Suites Hotel

Location:
Harrisburg, PA

Client:
Union Deposit Corp.


Project:
Capital Blue Cross

Location:
Harrisburg, PA

Client:
Capital Blue Cross


Project:
City View Office Park

Location:
York, PA

Client:
Laughner & Patel Developers