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Reliable Site Services for Every Project

Reliable Site Services for Every ProjectReliable Site Services for Every ProjectReliable Site Services for Every Project

Integrated engineering, surveying, and civil construction.

Contact Us

Reliable Site Services for Every Project

Reliable Site Services for Every ProjectReliable Site Services for Every ProjectReliable Site Services for Every Project

Integrated engineering, surveying, and civil construction.

Contact Us

About Us

OSS supports civil construction with a complete suite of engineering, surveying, and planning services. Our team guides projects through feasibility, design, permitting, and construction, delivering dependable solutions that keep projects compliant and on schedule.

Pre-Design | Design | Post-Design | Surveying | CIVIL CONSTRUCTION | Appraisals

Pre-Design | Design | Post-Design | Surveying | CIVIL CONSTRUCTION | Appraisals

Pre-Design | Design | Post-Design | Surveying | CIVIL CONSTRUCTION | Appraisals

Pre-Design | Design | Post-Design | Surveying | CIVIL CONSTRUCTION | Appraisals

Pre-Design | Design | Post-Design | Surveying | CIVIL CONSTRUCTION | Appraisals

Pre-Design | Design | Post-Design | Surveying | CIVIL CONSTRUCTION | Appraisals

our values

Integrity

Integrity

Integrity

We operate with honesty and accountability, ensuring every project is handled with transparency and professionalism.

Precision

Integrity

Integrity

Accurate data and detailed documentation guide everything we do. Our clients rely on us for dependable, exact results.

Collaboration

Collaboration

Collaboration

We work closely with clients, municipalities, and partners to keep projects moving smoothly from start to finish.

Innovation

Collaboration

Collaboration

We use modern tools and technology to improve efficiency, enhance accuracy, and deliver smarter solutions.

Services

Pre-Design

Design & Fabrication

Design & Fabrication

Our Pre-Design services cover feasibility, zoning, utilities, MUD/TIRZ support, COH JRC applications, and traffic studies, setting each project up for a seamless move into design and permitting.

Design & Fabrication

Design & Fabrication

Design & Fabrication

We deliver complete metal and structural fabrication services. OSS provides precision cutting, forming, machining, coatings, finishing, engineering support, and assembly to ensure every project receives reliable, construction-ready fabrication solutions.

Post-Design

Design & Fabrication

Post-Design

Our Post-Design services include as-built inspections, construction administration, permit coordination, fabrication support, and close-out documentation, ensuring each project completes smoothly and compliantly.

Surveys

Civil Construction

Post-Design

Our surveying services deliver precise ALTA/NSPS, boundary, title, construction, foundation, topographic, and as-built surveys, providing the reliable data needed for confident planning and development.

Civil Construction

Civil Construction

Civil Construction

Our civil construction services include platting, neighborhood design, easement acquisition, benchmarks, elevation certificates, plot plans, staking, and hearing preparation, helping projects move smoothly from concept to approval.

Appraisals

Civil Construction

Civil Construction

Our appraisal services include certified residential and commercial valuations, feasibility studies, restricted reports, and consulting for eminent domain, right-of-way, and vacant land, providing precise and dependable results.

From concept to completion, clarity matters. The right information transforms challenges into solutions.

Safety Always Comes First

Safety Is Our Priority

We Are Committed to a Safe Working Environment


At OSS, safety is at the center of every project we take on. We believe that a strong Health, Safety, and Environmental program is essential to protecting our employees, clients, subcontractors, and the communities we serve.


Our Safety Program is built to equip our team with the knowledge, training, and resources needed to perform all tasks with confidence and care. Every procedure, plan, and field activity is carried out with the goal of maintaining a secure and controlled environment.


Leadership takes an active role in establishing clear safety expectations, communicating best practices, and fostering a culture where safety comes first. All team members are empowered to voice concerns and stop work immediately if unsafe conditions arise. At OSS, protecting people is a responsibility we uphold every day.

Contact Us

Contact Us

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Send us a message, or call us for a quote. Use our contact form to tell us more about your project, and we will connect you with the services to fit your needs. 

Hours

Monday - Friday: 8am - 5pm

Saturday - Sunday: On Call

Copyright © 2025 Obsidian Site Services - All Rights Reserved.

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