# Resource Alliance Partners

> Resource Alliance Partners is a VC fund in Tulsa backing Manufacturing and Internet. See 4 investments, check sizes, portfolio. Updated Aug 2026.

- Type: VC Fund
- Location: Tulsa, United States
- Total investments: 4
- Last investment: Nov 2023
- Lead investor: 0%
- Last updated: Aug 2026
- Website: http://www.arlp.com/

Resource Alliance Partners is a VC fund in Tulsa focused on Manufacturing and Internet. Alliance is a diversified coal producer and marketer with significant operations in the eastern United States. We have mining operations in Kentucky, Indiana, Illinois, West Virginia, and Maryland.Strategically located operations, abundant long-lived reserves and appropriate acquisitions have provided us solid growth opportunities since webegan operations in 1971 as MAPCO Coal Inc. As a result, Alliance is now the third-largest coal producer in the eastern United States.Our customer base includes major utilities and industrial users. Coal is the energy source used by utilities to fuel approximately 45 percent of the electricity generated in the United States of America each year. In 2012, more than 90 percent of our sales tonnage was dedicated to electric utilities that have long-term contractual relationships with us.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Manufacturing | 2 | 50% |
| Internet | 1 | 25% |
| Automotive | 1 | 25% |
| Construction | 1 | 25% |
| Internet of Things | 1 | 25% |

6 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series D | 1 | 25% |
| Series E | 1 | 25% |
| Funding Round | 1 | 25% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Infinitum | Infinitum Electric is a motor technology company delivering lightweight and IoT-enabled electric motors. It is at the forefront of making electric motors more efficient, more durable, lighter weight, and less expensive. Their disruptive motor and control products utilize their patent-pending Printed Circuit Board (PCB) stator technology and providebroad application across multiple industries. They work with global manufacturers and industrial OEMs to customize their technology for specific applications and market segments. | $221M | Series E | Nov 01, 2023 |  |
| Infinitum | Infinitum Electric is a motor technology company delivering lightweight and IoT-enabled electric motors. It is at the forefront of making electric motors more efficient, more durable, lighter weight, and less expensive. Their disruptive motor and control products utilize their patent-pending Printed Circuit Board (PCB) stator technology and providebroad application across multiple industries. They work with global manufacturers and industrial OEMs to customize their technology for specific applications and market segments. | $30M | Series D | Nov 08, 2022 |  |
| Infinitum | Infinitum Electric is a motor technology company delivering lightweight and IoT-enabled electric motors. It is at the forefront of making electric motors more efficient, more durable, lighter weight, and less expensive. Their disruptive motor and control products utilize their patent-pending Printed Circuit Board (PCB) stator technology and providebroad application across multiple industries. They work with global manufacturers and industrial OEMs to customize their technology for specific applications and market segments. | $80M | Series D | May 17, 2022 |  |
| Construction-Zone.com | An Internet-based interface between manufacturers of construction materials and users of those materials in commercial construction | $3.2M |  | Jan 06, 2000 |  |

4 of 4 investments shown.

## Co-investors
- [Riverstone Holdings](https://shizune.co/investors/profile/riverstone-holdings) — VC Fund, 5 deals together
- [Cottonwood Technology Fund](https://shizune.co/investors/profile/cottonwood-technology-fund) — VC Fund, 3 deals together
- [Ajax Strategies](https://shizune.co/investors/profile/ajax-strategies) — VC Fund, 2 deals together
- [Caterpillar Ventures](https://shizune.co/investors/profile/caterpillar-ventures) — VC Fund, 2 deals together
- [Chevron Technology Ventures](https://shizune.co/investors/profile/chevron-technology-ventures) — VC Fund, 2 deals together
- Alliance Resource Partners — VC Fund, 1 deal together

## Similar investors

### Similar stage
- [Sigma Partners](https://shizune.co/investors/profile/sigma-partners) — VC Fund
- [EDBI](https://shizune.co/investors/profile/edbi) — VC Fund
- [Trifecta Capital Advisors](https://shizune.co/investors/profile/trifecta-capital-advisors) — VC Fund

## FAQ

### What does Resource Alliance Partners invest in?

Resource Alliance Partners invests primarily in Manufacturing, Internet and Automotive startups, most often at Series D and Series E stage. Most of the 4 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Resource Alliance Partners last invest?

The most recent investment recorded for Resource Alliance Partners closed in Nov 2023. Shizune tracks 4 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.

### Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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