Blue Sky Gallery, Portland (OR) 
Blue Sky Gallery boasts of having the best record of discovering new photographers of any artists' space in the country. Mounting 24 exhibitions a year with complementary lecture series and publications, this artists-run non-profit exhibition center certainly does have an imposing record of bringing new talent, be it local or international, to light. 

Center for Photography at Woodstock, NY 
The Center for Photography at Woodstock’s stated intention is “to build audiences, enhance dialogue, and encourage inquiry about contemporary photography and related media.” Their busy web site testifies to the diversity of ways in which they go about achieving their mission: workshops and lectures series, exhibitions in their gallery space, publishing Photography Quarterly, holding auctions, offering artists residencies and internships, as well as the Photographer’s Fellowship Fund. 

Light Work, Syracuse NY 
The artist-run Light Work gallery supports photo and digital imaging artists by mounting exhibitions in Syracuse University’s Robert B. Menschel Media Center. Light Work also offers lectures and classes, and publishes Contact Sheet, a graceful monograph series. Donations from the diverse talents of their Artists-in-Residence program continue to build its permanent collection that can be viewed through the Browse All function.

Photographic Center Northwest 
Based in Seattle, Photographic Center focuses on education and promotion of fine art photography through a wide variety of activities. The Center’s public face, its non-profit gallery, shows emerging and mid-career artists, organizes juried public exhibitions, runs an artist-in-residence program and offers darkroom rentals. Guidelines for portfolio submission to the gallery are helpfully spelled out in the gallery section of the site. As for its other mission, education, the Center’s school offers an accredited fine art photography certificate program, intensive 10-week courses, workshops, member and youth programs and lectures. Its site also includes a list of reviewed links, useful for Northwestern photographers.

Photo Fusion
At home on London’s storied Electric Lane, Photofusion is the city's largest independent photography resource center and gallery, as well as being a hub for community arts organizations that reach out to marginalized groups. Classes, a darkroom, studio spaces and digital services for artists are all bracketed by a respected gallery that exhibits a mix of art and documentary photography.

Photographic Resource Center, Boston University 
This vigorous and independent non-profit has given itself a wide-ranging mandate to engage a broad public with the art and ideas of photography, and judging by its excellent website, the Photographic Resource Center (PRC) certainly delivers. Located on the campus of Boston University, the PRC offers its members and the public up to eight annual gallery exhibitions, an ongoing series of web exhibitions, an education program which includes lectures and workshops, research resources based in the PRC’s Aaron Siskind Library and other unique events. If that were not enough, the PRC also hosts a web-based photo discussion forum, publishes In the Loupe, its stylish newsletter, and offers the annual Leopold Godowsky Jr. Color Photography Awards. Vigorous indeed!  

SF Camerawork 
This is the online resource center for SF Camerawork, the San Francisco based community-minded organization that fosters the work of emerging and mid-career photographers. Exhibitions in their online and physical gallery spaces, a lecture series, workshops and bi-annual publications are there to engage the wider world on photography’s aesthetic and social concerns. The organization’s mentoring program, First Exposures, invites photographers to act locally and teach the craft to youth at risk.