MacKay Sposito

mackaysposito.com

civil engineering

mackaysposito.com

Vancouver, Washington, United States

51-200 employees

15963000 revenue

LinkedIn Profile

About MacKay Sposito

energy, land development, public works, civil engineering, project management, construction management, landscape architecture, energy infrastructure, stormwater design, construction, consulting, asset management, environmental consulting, engineering services, design-build, permit acquisition, regulatory compliance, b2b, project coordination, government

MacKay Sposito's Tech Stack

Decision Makers at MacKay Sposito

1 contact

Paul Harmsen

Engineering Manager

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16 technologies detected · 1 decision maker

Sales Outreach Angle

HubSpot users typically run inbound-led sales motions. Products that integrate with HubSpot (email automation, CRM enrichment, ABM platforms) are natural fits.

MacKay Sposito's Position in the StackWho Database

• MacKay Sposito is 1 of 1,997 civil engineering companies tracked in StackWho.
• 1,982 civil engineering companies in our database have verified decision-maker emails (99% of the cohort).
• 7,040 companies in Washington are in the StackWho database.
• 330 civil engineering companies are in the 51-200 employee range (same size as MacKay Sposito).

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

Frequently Asked Questions

What technology does MacKay Sposito use?

MacKay Sposito uses Sendgrid, Gmail, Google Apps, Microsoft Office 365, Hubspot, React Redux, and 10 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at MacKay Sposito?

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

What industry is MacKay Sposito in?

MacKay Sposito operates in the civil engineering industry, headquartered in Vancouver, Washington, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export MacKay Sposito's contact data?

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