# ResMan

ResMan is an Energy Technology / Reservoir Surveillance based in Plano, United States.

## Overview

- **Organization type:** Energy Technology / Reservoir Surveillance
- **Headquarters:** Plano, United States
- **Region:** North America
- **Address:** Plano, TX, United States
- **Founded:** 2005
- **Assets under management:** Undisclosed
- **Website:** resman.com
- **LinkedIn:** https://www.linkedin.com/company/resman-llc

## Regulatory record

- **Reports private funds:** No

## About

Resman Holdings Ltd is a privately owned diversified investment company with major investments in manufacturing operations and real estate. It is the majority owner of Airtex Manufacturing Partnership in Canada and Airtex Manufacturing LLLP in the United States, operating under the Engineered Air trade name for custom HVAC products. Resman also invests in real estate, oil and gas, solar, biotechnology, and mortgage lending, generally taking a passive role in new businesses.

## Sectors

- Real Estate
- Proptech

## People

- Douglas Miller — CEO
- Sharon Miller — COO

## Questions

### Who runs investment decisions at ResMan?

The CEO is Douglas Miller, who also founded the firm. The COO is Sharon Miller. Investment decisions at the firm level are made by the executive team, though the firm primarily operates as a technology company rather than an investment vehicle.

### How does ResMan source proprietary deal flow?

ResMan is a software company, not an investment firm; it develops its own platform and sells subscriptions. There is no public record of it making external investments or sourcing deals.

### What investment stages does ResMan typically target?

ResMan does not make external investments. It operates a SaaS business serving the multifamily real estate industry.

### Which sectors does ResMan explicitly avoid?

ResMan does not publicly disclose any sector avoidance policies.

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Last updated: 2026-08-11T15:07:57.118Z

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