May River Capital

General contacts
Investor type

PE / VC

Founded

2012

AUM

$1 000 M

Location

Chicago, Illinois, United States

Investment Ticket

$10-50 m

Investment Stage

Pre-seed Seed Series A Series B Late Stage (Series C+)

Region of investment

North America
Investor profile last updated: 16 August, 2026

Profile

May River Capital is a private equity firm based in Chicago, Illinois, founded in 2012. The firm is led by a team of 18 professionals who focus on investing in lower middle-market industrial growth businesses. May River Capital prides itself on its collaborative culture and deep industry expertise, which it leverages to help portfolio companies scale and optimize their operations.

The firm targets investments in sectors such as engineered products, advanced manufacturing, technical industrial services, and specialty industrial distribution. May River typically invests $30M to $90M in equity per deal, with the potential for larger investments through co-investment. The firm manages approximately $1 billion in regulatory assets under management, with notable funds including May River Capital Fund I and Fund III.

Notable investments by May River Capital include 3B Controls - specialized solutions for storage tanks, Bake-Best Trays - paper containers and packaging, CECO Environmental's Fluid Handling Business - industrial supplies and parts, Tusk Industrial - holding companies, and NDSL Group - energy storage solutions.

Industry

Manufacturing Business Services (B2B) Healthcare Services Industrial Marketing and Advertising Robotics Energy Transportation CleanTech HealthTech

May River Capital Funds

Name Type
Questionare
Industry
Questionare
Stage
Questionare
Region 		Size AUM Launch date
May River Capital Fund I LP
Private Equity (PE)
Healthcare Services
Marketing and Advertising
Robotics
Transportation
Energy
CleanTech
HealthTech
Pre-seed
Seed
North America
$5-10 m
$165 M
December 2017
May River Capital Fund III, LP
Private Equity (PE)
Healthcare Services
Marketing and Advertising
Robotics
Transportation
Energy
HealthTech
Series B
Late Stage (Series C+)
North America
$5-10 m
$500 M
July 2023

Contacts

Name
Title
Email
Social Networks
avatar
Dan Barlow Founding Partner
Founding Partner
d•••@•••
avatar
Steve Griesemer Founding Partner
Founding Partner
s•••@•••
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Investment-team contacts for May River Capital — including verified work emails and LinkedIn profiles — are available to Private Equity List subscribers.
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FAQs about May River Capital

May River Capital is a venture capital and private equity firm. It backs companies at Pre-seed, Seed, Series A, Series B and Late Stage (Series C+), writing tickets of $10-50 m.
May River Capital is located in Chicago, Illinois, United States.
May River Capital was founded in 2012.
May River Capital invests in companies and startups in Manufacturing, Business Services (B2B), Healthcare Services, Industrial, Marketing and Advertising, Robotics, Energy, Transportation, CleanTech, HealthTech.
May River Capital invests in companies and startups in North America.
May River Capital invests in companies and startups at Pre-seed, Seed, Series A, Series B, Late Stage (Series C+).
May River Capital usually invests $10-50 m on average.
May River Capital has around $1 000m assets under management.
May River Capital last fund was created/launched in 2023-07-11
May River Capital can be reached through its website mayrivercapital.com and its LinkedIn page. Its general enquiries address is [email protected]. Cold-mailing a general inbox rarely reaches a partner, so Private Equity List also lists the investment-team contacts for May River Capital — names, roles, verified work emails and LinkedIn profiles — available on a Pro plan from $129/month (see pricing). Contacts are sourced from the firm's website and LinkedIn and re-verified on a rolling cycle. Spot a stale contact, or none at all? Report it — we re-run that firm within 48h and get back to you.
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Private Equity List re-verifies investor profiles on a rolling cycle, pulling from the firm's own website and LinkedIn rather than a one-off import. This profile was last updated on 16 August, 2026. Something out of date here? Report it — we re-run that firm within 48h and get back to you.