DIRT PRO, LLC is here to help. Check out this list of sites for helpful information on GPS Machine Control, Project Leads, and so much more.

GPS Machine Control Manufactures


Topcon Positioning Systems is the worldwide leading developer and manufacturer of precision positioning equipment and offers the widest selection of innovative precision GPS systems, laser, optical surveying, and machine control products.


Trimble provides positioning solutions enabling professionals in engineering and construction, surveying, agriculture, fleet management and field service to be more productive by revolutionizing their work processes.


With close to 200 years of pioneering solutions to measure the world, Leica Geosystems products and services are trusted by professionals worldwide to help them capture, analyze, and present spatial information.

Articles of Interest

Banking On It
Modern Contractor Solutions, September 2008

Machine Control: Just Spin Or The Real Deal?
Modern Contractor Solutions, July 2008

Dirt Talk: Math, Models, and Common Sense
Site Prep Magazine, November 2007

Project Leads and Information

Bid Clerk
BidClerk allows contractors to find construction projects within local markets that meet their exact criteria. In addition, there are tools provided that enable users to connect with each other, download project contact data, manage projects, and advertise their business. With BidClerk anyone can post a project on our website in seconds and get responses from contractors that are looking for work.

The Blue Book of Building and Construction
Over 1,000,000 company display ads, listings and profiles in 560 industry classifications.

Bid Tool
BidTool gives you access to more projects, more plans, and more of what you need to take your business to the next level.

Dodge Reports
Search Dodge Reports for active bidding projects and win jobs in your area now.

Nationwide Construction Leads
Construction Leads provide general contractors, sub contractors, and material suppliers the ability to find future commercial and industrial projects quickly and easily. Construction Leads are updated daily so that your company may begin to evaluate, track, and negotiate for a potential project as soon as they are found.

Construction Journal
Their staff of experienced construction reporters identifies new projects every day. Keeping you informed about construction projects is their business.

Reed Construction Data
Reed Construction Data delivers the most comprehensive, timely and reliable construction project information to support contractors, distributors and building product manufacturers in identifying, bidding and tracking leads in both the US and Canada.

Construction Data Company News
CDCNews publishes commercial construction bid information and private bidding opportunities in many major US markets, including; complete planning, private planning, bidding, public bid, design build, negotiated bids, invitation only, prime contractor, pre-qualified bids and bid results for construction leads and bidding opportunities.

Onvia provides highly customized solutions that help you discover, qualify, and convert opportunities into new business and secure your market share.

Construction Lead Journal
The Construction Lead Journal offers weekly construction leads by the hundreds. Using building permit data, we can tell you where the work is, who is doing it, and the value of the declared project.

ConstructionWire is an online database of over 103,000 construction projects (mostly private and commercial) in the planning, bidding and pre-construction stages.