Insights

End-to-end FEED ATSI offers full front-end engineering design, EPCM and commissioning services across multiple industries, presenting a clear opportunity to upsell integrated design and project management capabilities for complex, multi-discipline projects.

Industry breadth With experience spanning renewable energy, water treatment, oil and gas, chemicals, metals, food and beverage, power generation, mining, and industrial equipment manufacturing, ATSI can target cross-industry clients seeking cross-disciplinary engineering solutions or plant modernization.

Safety credentials OSHA safety certification plus A ratings from ISNetWorld and PICS strengthen credibility for safety-critical projects, making ATSI a trusted partner for clients with stringent compliance and risk management requirements.

Process optimization Strong focus on instrumentation and controls, process safety management, first-principles engineering, and optimization offers opportunities to position ATSI for projects aiming to improve efficiency, reliability, and emissions reductions.

Mid-market growth With annual revenue in the mid single-digit millions and a team size of 51–200, ATSI is well suited to pursue mid-market energy, chemical, and industrial facility projects that require customized, responsive FEED/FEL and EPCM services.

Similar companies to ATSI, Inc.

ATSI, Inc. Tech Stack

ATSI, Inc. uses 8 technology products and services including Matomo, WordPress, oEmbed, and more. Explore ATSI, Inc.'s tech stack below.

ATSI, Inc.'s Email Address Formats

ATSI, Inc. uses at least 3 email formats:
ATSI, Inc. Email FormatsExamplePercentage
Last@atsi.comDoe@atsi.com
88%
First.Last@atsi.comJohn.Doe@atsi.com
6%
FLast@atsi.comJDoe@atsi.com
6%

Frequently Asked Questions

What is ATSI, Inc.'s phone number?

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You can contact ATSI, Inc.'s main corporate office by phone at . 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 ATSI, Inc.'s official website and social media links?

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ATSI, Inc.'s official website is atsi.com and has social profiles on LinkedIn.

How much revenue does ATSI, Inc. generate?

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As of October 2026, ATSI, Inc.'s annual revenue is estimated to be $25M - $50M.

What is ATSI, Inc.'s NAICS code?

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ATSI, Inc.'s NAICS code is 5413 - Architectural, Engineering, and Related Services.

How many employees does ATSI, Inc. have currently?

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As of October 2026, ATSI, Inc. has approximately 72 employees across 3 continents, including North America, Africa and Asia. Key team members include President: B. F., President: R. S. and Controller: J. F. Explore ATSI, Inc.'s employee directory with LeadIQ.

What industry does ATSI, Inc. belong to?

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ATSI, Inc. operates in the Engineering Services industry.

What technology does ATSI, Inc. use?

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ATSI, Inc.'s tech stack includes Matomo, WordPress, oEmbed, Shopify, Twemoji, Really Simple Discovery, Office 365 and Piwik PRO Core.

What is ATSI, Inc.'s email format?

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ATSI, Inc.'s email format typically follows the pattern of Last@atsi.com. Find more ATSI, Inc. email formats with LeadIQ.

When was ATSI, Inc. founded?

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ATSI, Inc. was founded in 1966.
ATSI, Inc. logo

ATSI, Inc.

Engineering ServicesNew York, United States51-200 Employees

ATSI, Inc. is an engineering services firm based in Buffalo, New York, with more than four decades of experience. It provides front-end engineering design, EPCM, and commissioning services, delivering execution plans to keep projects on schedule and within budget, supported by a multidisciplinary team that assists with design, fabrication, and installation of complex equipment systems for new facilities, expansions, and upgrades.

Its engineering practice encompasses chemical/process, civil/structural, piping/mechanical, electrical, and instrumentation and controls, along with turnkey and EPC-related work, FEED, and project management. The firm serves sectors such as renewable energy, water treatment, oil and gas, chemicals, metals, food and beverage, power generation, mining, and industrial equipment suppliers. ATSI maintains OSHA safety certification and holds A ratings with ISNetWorld and PICS.

Section iconCompany Overview

Phone number
Website
atsi.com
NAICS Code
5413 - Architectural, Engineering, and Related Services
Founded
1966
Employees
51-200

Section iconFunding & Financials

  • $25M - $50M

    ATSI, Inc.'s revenue is estimated to be in the range of $25M - $50M

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