Insights

Regional expansion Atlanta based mechanical engineering firm with licenses in 42 states presents an opportunity to cross-sell services to clients with multi-state facilities, including data centers, education, healthcare, and institutional projects.

Service breadth Full suite of HVAC, plumbing, fire protection, fuel systems, and infrastructure engineering supports upsell across ongoing design-build, retrofit, and facility modernization projects for existing customers and new prospects.

Mission critical traction Experience with data centers and mission critical environments positions JSA to pursue highly engineered, reliability-focused design work where uptime and energy efficiency are priority requirements.

Sustainability focus Emphasis on ongoing education and professional development aligns with demand for sustainable engineering practices; target clients prioritizing compliant, efficient, and future-ready systems.

Strategic growth aids Revenue in the mid-range for a boutique firm paired with a scalable technology stack (AWS, WordPress, analytics tools) enables targeted marketing and digital outreach to attract larger projects and long-term retainer relationships.

Similar companies to Johnson, Spellman & Associates, Inc.

Johnson, Spellman & Associates, Inc. Tech Stack

Johnson, Spellman & Associates, Inc. uses 8 technology products and services including WP Rocket, Amazon Web Services, WordPress, and more. Explore Johnson, Spellman & Associates, Inc.'s tech stack below.

Johnson, Spellman & Associates, Inc.'s Email Address Formats

Johnson, Spellman & Associates, Inc. uses at least 3 email formats:
Johnson, Spellman & Associates, Inc. Email FormatsExamplePercentage
FLast@jsace.comJDoe@jsace.com
77%
Last@jsace.comDoe@jsace.com
16%
First@jsace.comJohn@jsace.com
7%

Frequently Asked Questions

What is Johnson, Spellman & Associates, Inc.'s phone number?

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You can contact Johnson, Spellman & Associates, 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 Johnson, Spellman & Associates, Inc.'s official website and social media links?

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Johnson, Spellman & Associates, Inc.'s official website is jsace.com and has social profiles on LinkedIn.

How much revenue does Johnson, Spellman & Associates, Inc. generate?

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As of August 2026, Johnson, Spellman & Associates, Inc.'s annual revenue is estimated to be $25M - $50M.

What is Johnson, Spellman & Associates, Inc.'s SIC code and NAICS code?

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Johnson, Spellman & Associates, Inc.'s SIC code is 8711 - Engineering Services and NAICS code is 5413 - Architectural, Engineering, and Related Services.

How many employees does Johnson, Spellman & Associates, Inc. have currently?

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As of August 2026, Johnson, Spellman & Associates, Inc. has approximately 27 employees across 1 continents, including North America. Key team members include Engineer: W. M. and Plumbing Engineer: J. R. Explore Johnson, Spellman & Associates, Inc.'s employee directory with LeadIQ.

What industry does Johnson, Spellman & Associates, Inc. belong to?

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Johnson, Spellman & Associates, Inc. operates in the Engineering Services industry.

What technology does Johnson, Spellman & Associates, Inc. use?

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Johnson, Spellman & Associates, Inc.'s tech stack includes WP Rocket, Amazon Web Services, WordPress, Shopify, Microsoft 365, X-XSS-Protection, Google Tag Manager and MonsterInsights.

What is Johnson, Spellman & Associates, Inc.'s email format?

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Johnson, Spellman & Associates, Inc.'s email format typically follows the pattern of FLast@jsace.com. Find more Johnson, Spellman & Associates, Inc. email formats with LeadIQ.

When was Johnson, Spellman & Associates, Inc. founded?

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Johnson, Spellman & Associates, Inc. was founded in 1986.
Johnson, Spellman & Associates, Inc. logo

Johnson, Spellman & Associates, Inc.

Engineering ServicesGeorgia, United States11-50 Employees

Johnson, Spellman & Associates, Inc. is a midsize mechanical engineering firm based in Peachtree Corners, Georgia, in the Atlanta region. It provides HVAC, plumbing, fire protection, fuel system, and infrastructure engineering services to clients in data centers and mission-critical environments, as well as education, civil, and healthcare facilities. Established in 1986, the firm began as a two-person operation and has since grown into a fully staffed practice with licenses in 42 states. The company handles work that spans concept budgeting and programming through construction review and special investigations, with an extensive portfolio in commercial, institutional, and industrial facilities. It emphasizes ongoing education, professional development, and mentoring to support the next generation of engineers and professional licensure.

Section iconCompany Overview

Phone number
Website
jsace.com
SIC Code
8711 - Engineering Services
NAICS Code
5413 - Architectural, Engineering, and Related Services
Founded
1986
Employees
11-50

Section iconFunding & Financials

  • $25M - $50M

    Johnson, Spellman & Associates, Inc.'s revenue is estimated to be in the range of $25M - $50M

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