Page Background
For Inquiries Call (540) 265-4444
Our Mission is to continue to build our reputation of offering the highest professional standards in the delivery of engineering services. Our goal is to continue to be the best in the state so that our clients will continue to say:

"These are the best Professional Engineers in the business."

Obenchain, Linkous, Daniels & Sowick specializes in engineering design and commissioning services of Mechanical, Electrical, Plumbing, Fire Protection and Information Technology Systems for K-12 educational facilities, higher educational facilities of all types, health care facilities, commercial buildings, retirement facilities and local governments. O.L.D.S. provides these planning, design and commissioning services to Owners, architects and other engineers.

These services include producing the following: plans, specifications, investigations, studies, reports, energy analysis and construction administration. O.L.D.S. has no financial interests in the construction industry, or the manufacturing or sale of equipment. For new construction or renovation type projects, we provide all of the engineering necessary for the satisfactory design, installation and operation of the mechanical and electrical systems. O.L.D.S. is an Equal Opportunity Employer.

find out more ››

What our clients Say

Loudoun County Public Schools has been a team member with O.L.D.S. for several years. Our experience in working with the firm has been very successful & beneficial to our projects & the school system as a whole. We have collaborated on numerous elementary schools, middle schools, high schools and miscellaneous projects over the years. O.L.D.S. has been very responsive to our demanding schedule constraints & their firm consists of a depth of resources in terms of staff knowledge & experience that allows them to respond professionally & expeditiously. The O.L.D.S. experience has been excellent in terms of design and service.
Kevin L., Ashburn, VA