Johnston

johnstonllc.com

design

johnstonllc.com

Houston, Texas, United States

51-200 employees

16021000 revenue

LinkedIn Profile

About Johnston

planning, commissioning, civil engineering, mept engineering, program project management, architecture, architecture civil engineering mept engineering program project management planning, program amp project management, mep engineering, design services, project management, industrial, cost-effective solutions, hvac systems, infrastructure management, public safety building systems, innovation, long-term value, hospital renovation, healthcare facilities

Johnston's Tech Stack

Decision Makers at Johnston

1 contact

Larry Pennington

Director of MEP/T Engineering

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16 technologies detected · 1 decision maker · Emails available

Sales Outreach Angle

WordPress as a CMS signals a content-driven or SMB digital presence. SEO tools, hosting solutions, and page-builder plugins are natural fits for outreach.

Johnston's Position in the StackWho Database

• Johnston is 1 of 11,679 design companies tracked in StackWho.
• 11,670 design companies in our database have verified decision-maker emails (100% of the cohort).
• 22,781 companies in Texas are in the StackWho database.
• 189 design companies are in the 51-200 employee range (same size as Johnston).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated July 2026.

Frequently Asked Questions

What technology does Johnston use?

Johnston uses Outlook, Microsoft Office 365, Amazon AWS, GoDaddy Hosting, Mobile Friendly, Google Maps, and 10 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Johnston?

StackWho has verified email addresses for 1 decision maker at Johnston. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Johnston directly for sales, recruiting, or partnerships.

What industry is Johnston in?

Johnston operates in the design industry, headquartered in Houston, Texas, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Johnston's contact data?

Yes. StackWho Pro members can export decision maker contact data for Johnston and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.