What is Tsiouvaras Simmons Holderness, Inc.'s NAICS code?

Tsiouvaras Simmons Holderness, Inc.'s NAICS code is 237 (Heavy and Civil Engineering Construction).

Insights

Colorado focused The firm exclusively serves transportation projects in Colorado, indicating potential for local government and state agency opportunities and a need for repeat, relationship-driven engagements.

Transportation niche Specializes in bridge, highway, traffic and hydraulic design along with construction management, suggesting upsell opportunities within CDOT, municipalities, transit agencies and airports on related services or phased program support.

Public sector focus Clients include state, local and transit agencies; potential for expanding to larger procurements, DB/CM programs, or joint ventures with larger firms for complex mega-projects.

Growing yet lean Employee headcount 51-200 with revenue between 1M-10M signals an agile, potentially open to strategic partnerships, subcontracting on larger RFPs, or vendor-of-record arrangements to scale capabilities.

tech stack and branding Limited tech footprint (Business Catalyst, jQuery) paired with a strong regional reputation; opportunity to propose modernization, BIM/GIS integration, and digital project delivery enhancements to differentiate in competitive bids.

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Tsiouvaras Simmons Holderness, Inc. Tech Stack

Tsiouvaras Simmons Holderness, Inc. uses 2 technology products and services including Business Catalyst, jQuery, and more. Explore Tsiouvaras Simmons Holderness, Inc.'s tech stack below.

Business Catalyst
Content Management System
jQuery
Javascript Libraries

Tsiouvaras Simmons Holderness, Inc.'s Email Address Formats

Tsiouvaras Simmons Holderness, Inc. uses at least 1 email format:

Tsiouvaras Simmons Holderness, Inc. Email Formats	Example	Percentage
First.Last@tshengineering.com	John.Doe@tshengineering.com	100%

Frequently Asked Questions

What is Tsiouvaras Simmons Holderness, Inc.'s phone number?

You can contact Tsiouvaras Simmons Holderness, Inc.'s main corporate office by phone at

+1-303-771-****

. For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Tsiouvaras Simmons Holderness, Inc.'s official website and social media links?

Tsiouvaras Simmons Holderness, Inc.'s official website is tshengineering.com and has social profiles on LinkedIn.

How much revenue does Tsiouvaras Simmons Holderness, Inc. generate?

As of July 2026, Tsiouvaras Simmons Holderness, Inc.'s annual revenue is estimated to be $1M - $10M.

What is Tsiouvaras Simmons Holderness, Inc.'s SIC code and NAICS code?

Tsiouvaras Simmons Holderness, Inc.'s SIC code is 8711 - Engineering Services and NAICS code is 237 - Heavy and Civil Engineering Construction.

How many employees does Tsiouvaras Simmons Holderness, Inc. have currently?

As of July 2026, Tsiouvaras Simmons Holderness, Inc. has approximately 51 employees across 2 continents, including North America and Europe. Key team members include Senior Director - Investment Analytics: M. R., Project Manager: K. M. and Project Manager: S. F. Explore Tsiouvaras Simmons Holderness, Inc.'s employee directory with LeadIQ.

What industry does Tsiouvaras Simmons Holderness, Inc. belong to?

Tsiouvaras Simmons Holderness, Inc. operates in the Civil Engineering industry.

What technology does Tsiouvaras Simmons Holderness, Inc. use?

Tsiouvaras Simmons Holderness, Inc.'s tech stack includes Business Catalyst and jQuery.

What is Tsiouvaras Simmons Holderness, Inc.'s email format?

Tsiouvaras Simmons Holderness, Inc.'s email format typically follows the pattern of First.Last@tshengineering.com. Find more Tsiouvaras Simmons Holderness, Inc. email formats with LeadIQ.

Tsiouvaras Simmons Holderness, Inc.

Civil EngineeringColorado, United States51-200 Employees

Tsiouvaras Simmons Holderness, Inc. (TSH) is a Colorado-based civil engineering firm founded in 2005 that focuses on transportation projects within the state. It provides bridge, highway, traffic, and hydraulic design along with construction management services for transportation work. The firm serves public sector clients, including the Colorado Department of Transportation, local jurisdictions, transit agencies, and airports.

Based in Greenwood Village, Colorado, TSH operates as a mid-sized practice that has completed numerous complex projects, contributing to its industry recognition in its early years. The firm emphasizes aligning its work with public interests and client needs, aiming to deliver projects that meet high standards.