1. Austin Gastroenterology, which operates a Southwest Austin location at 5625 Eiger Road, Ste. 235, Austin, is celebrating 20 years in the community. The physician group operates 16 clinics across the Austin area and specializes in the diagnosis, treatment and prevention of digestive and liver diseases, according to the company. 512-244-2273. www.austingastro.com

2. Central Texas Pediatric Orthopedics is celebrating 30 years in the Austin community. Its South Austin clinic is located at 1807 W. Slaughter Lane, Ste. 600. The company has more than 70 employees in the area and specializes in pediatric treatments, including those for fractures, scoliosis, congenital hand and upper extremity disorders, and sports injuries, according to the company. 512-478-8116. www.ctpomd.com

3. Marathon Kids, a nonprofit located at 4029 S. Capital of Texas Hwy., Ste. 125, Austin, that has served the Austin ISD community since 1995, is celebrating its 25th anniversary in September. The nonprofit, which works to encourage children to regularly participate in physical activity and to run through distance goals throughout the year, is hosting a monthlong virtual relay race beginning Aug. 10, with a goal for participants to total 25,000 miles—enough to stretch around the earth. 512-477-1259. www.marathonkids.org

4. Pinthouse Pizza will celebrate the fifth anniversary this fall of its location at 4236 S. Lamar Blvd., Austin. The brewery and pizza joint is open for limited dine-in service, curbside pickup and delivery through Favor at all three of its locations: South Lamar, the original on Burnet Road, and Round Rock. 512-436-9605. www.pinthousepizza.com

5. Whataburger, the San Antonio-based fast-food chain, celebrated 70 years of business Aug. 8. The company operates four locations in South Austin and one in Dripping Springs. www.whataburger.com