MainStem, Inc.

MainStem, Inc.

mainstem.io

information technology & services

Seattle, Washington, United States
11-50 employees

About MainStem, Inc.

software, saas, purchasing, customer service, procurement, supply chain, software development, information technology & services, computer software

8 technologies detected · 1 decision maker · Emails available

Sales Outreach Angle

AWS infrastructure signals engineering sophistication. This company likely evaluates cloud cost management, security tooling, observability, and developer productivity solutions.

MainStem, Inc.'s Position in the StackWho Database

  • MainStem, Inc. is 1 of 194,140 information technology & services companies tracked in StackWho.
  • 193,618 information technology & services companies in our database have verified decision-maker emails (100% of the cohort).
  • 7,040 companies in Washington are in the StackWho database.
  • 74,148 information technology & services companies are in the 11-50 employee range (same size as MainStem, Inc.).

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 MainStem, Inc. use?

MainStem, Inc. uses Outlook, Amazon AWS, Microsoft Azure, Webflow, Domo, Sisense, and 2 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at MainStem, Inc.?

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

What industry is MainStem, Inc. in?

MainStem, Inc. operates in the information technology & services industry, headquartered in Seattle, Washington, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export MainStem, Inc.'s contact data?

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