Editor's note: These firms are located in the North Bay or heavily involved with local entrepreneurial efforts.

Cascade Capital Corp.

187 Forrest Ave., Fairfax, 415-456-1001. Cascade Capital Corp. specializes in agriculture, alternative energy, biotech, business services, clean tech., consumer, industrial and information technology. It funds in the $100,000 and up range and prefers expansion of business, late venture and startups.

Innovation Ventures

426 Marion Ave., Mill Valley, 415-383-8272. Innovation Ventures will fund companies within the $500,000 and $4 million range. Examples of businesses funded are Apothos, Chakshu and MedStory.

Keiretsu Forum

425 Market St., San Francisco, 415-573-0751, www.keiretsuforum.com. Keiretsu Forum is a membership-based investing fund and prefers companies in the startup and early phases. It funds between $250,000 and $2 million in alternative energy, biotech, business services, clean tech., consumer, industrial and information technology.

Lighthouse Capital Partners

500 Drakes Landing Rd., Greenbrae, 415-464-5900, www.lcpartners.com. Lighthouse Capital Partners has funded Cognio, Six Apart, Insulet Corp., Concentric Medical, Azul, Novasys Medical, Orthogon Systems, Force 10 Networks and Aruba. It looks for companies that need between $1 million and $10 million.

North Bay Angels

PO Box 1365, Healdsburg, 707-431-4201, www.northbayangels.com. North Bay Angels looks for early phase, seed stage and startups that need between $250,000 and $1 million in the agriculture, alternative energy, biotech, business services, clean tech., consumer, industrial and information technology industries.

Sienna Ventures

2330 Marinship Way, #130, Sausalito, 415-339-2800, www.siennaventures.com. Sienna Ventures has funded At Motion, Broadcom, Priceline.com, Gemfire, GluMobile, Ranch Networks, TradePoint and Plansponsor.

Technology Partners

100 Shoreline Hwy., #282-B, Mill Valley, 415-332-9999, www.technologypartners.com. Technology Partners is a 25 year-old company with a portfolio of $700 million that seeks companies in the cleantech and life science industries in need of between $1 million and $20 million.

Thorner Ventures

21 Acorn Way, Kentfield, 415-925-9304. Thorner Ventures funds companies in the alternative energy, biotech, business services, clean tech., consumer, industrial and information technology industries with between $200,000 and $500,000.

Wavepoint Ventures

535 Middlefield Rd., #280, Menlo Park, 650-331-7393, www.wavepointventures.com. Wavepoint Ventures is in its second fund and focuses on software and services, medical technology and clean tech. It's heavily involved with the North Bay iHub in Rohnert Park.