Top 100 Twitter Marketing Companies in the United States

Metric Theory is a San Francisco-based digital marketing agency. Since founding in 2012, they've grown to over 60 employees with experience working with over 230 clients. They have experience with every type of marketing issue for clients that range from small business to large e-commerce firms. They specialize in PPC, digital strategy, social media marketing, conversion optimization, and mobile marketing.  

Event marketing & planning company Aardvark Video | Las Vegas Video Services was founded in 1987. The small Henderson, Nevada-based team specializes in event marketing & planning, video production, and social media marketing.

Incite Response Inc. is a full-service hospitality marketing agency located in Seattle, Washington and founded in 2001, Incite Response Inc. and its team of approximately 10 specialize in SEO, digital strategy, web design, PPC, web development, and other services designed to provide digital advantages to its clients in the hospitality industry. 

1111 Media Group is a digital marketing agency founded in 2011 with no more than 10 members. They offer web design, web development, and social media marketing solutions from their office in Miami. They work with both small and medium-sized businesses.

Spitball Advertising is an advertising company. Established in 2007, the small company is based in Red Bank, New Jersey. Their services include advertising, branding, marketing strategy, social media marketing, and more.

Tailor Made Digital Marketing is a web design firm based in Fresno, Calif. Founded in 2019, their team of 8 serves clients in the adverting sector. Services include PPC and digital strategy.

Launched in 2017, Pantelope is a small pay per click company. Their team specializes in pay per click, search engine optimization, digital strategy, content marketing, and more. The firm is headquartered in Miami Gardens, Florida.

Influence & Co. is a marketing agency in Columbia, Mo. Founded in 2011, they have about 50 employees that serve clients in a variety of industries. Services include content marketing, branding, and digital strategy.

The Social Nerds is a midsize SEO company. The Addison, Texas-based company was founded in 2016. Their services include search engine optimization, social media marketing, web design, advertising, and more.

Located in Castro Valley, CA, KO Websites is a marketing agency founded in 2001. It specializes in providing traditional customer service with new age marketing skills. Its approximately a dozen employees provide a variety of digital marketing services, including SEO, PPC, social media marketing, web design, digital strategy, email marketing, and conversion optimization.

Chicago Tech SOlution is a small Chicago, Illinois-based digital strategy company. Their services include digital strategy, social media marketing, content marketing, email marketing, and more.

Blue Yarn Media is a marketing firm founded in Seattle in 2012 with more than 10 experts. They specialize in social media marketing, SEO, and PPC solutions for clients ranging from startups to large firms in the fields of e-commerce, business services, and more.

Since its founding in 2011, Launch Digital Marketing has provided web design, digital strategy, social media marketing, and other digital services to their clients. The around 80-person team is headquartered out of Naperville, Illinois, just outside of Chicago.

Digitalux is a marketing firm based in Hoboken, NJ. Founded in 2013, the team of 12 digital experts specializes in content marketing, SEO, email marketing, and web design.

Boomtown Internet Group is a digital marketing company based in Glenmoore, PA. Founded in 2005, Boomtown Internet Group's team of about 15 employees has over two decades of experience in working with clients ranging from small startups to large enterprises. The firm specializes in digital strategy, web design, and offers social media marketing services to its clients. 

Artsy Geek is a boutique web and marketing agency headquartered in Oakland, California with another office in Seattle. The team specializes in integrated marketing, web development, graphic design, internet marketing and social media. Comprised of less than 10 employees, Artsy Geek is a team of skilled designers, marketers, and coders. Founded in 2011, it collaborates with clients to build and grow their brand identities for a strengthened online presence.

Launched in 2005, Brick Marketing is a SEO company. Their small team is located in Boston, Massachusetts. Their team provides search engine optimization, content marketing, social media marketing, digital strategy, and more.

Good & Gold Marketing, an email marketing company, was established in 2016. The small Portland, Oregon-based team specializes in email marketing, pay per click, search engine optimization, social media marketing, and more.

Bad Rhino is a full-service social media marketing agency located in Philadelphia, PA. With less than 10 team members, Bad Rhino mostly works with small businesses, helping them adapt and grow their brand online in the face of ever-changing online marketing trends.

Thunder::tech is an advertising company in Cleveland, Ohio; Detroit, Michigan and Chicago, Illinois. The agency offers advertising, search engine optimization, web design, branding, and more and has a small team.The agency was established in 1999.

Outsmart Labs is a strategic digital marketing agency based in Miami. The agency, founded in 2013, is composed of a team of around 15 that provides digital strategy, advertising, and branding services to various companies. 

Prolifik Digital Marketing is a marketing agency located in Athens, Ga. Founded in 2010, Prolifik Digital Marketing's team of 15 employees primarily works with smaller and mid-market businesses. The firm specializes in SEO, social media marketing, branding, and advertising services for its clients. 

Based in Newark, Delaware; Cairo, Egypt; Jeddah, Saudi Arabia and Rotterdam, Netherlands, The Ascendant Group is a public relations firm. The small team offers public relations, branding, social media marketing, and web design. The company was launched in 2004.

Basso Design Group is a web design firm based in Troy, Mich . Founded in 2003, their team of 30 serves clients in the education, arts, and finance sectors. Services include branding, SEO, and WordPress development.

Williams Whittle is an advertising agency that practices a wide variety of services including media planning & buying, branding, and marketing strategy. They are based in Alexandria, Virginia and currently have fewer than 20 employees. The company was founded in 1967.

Biondo Creative is an advertising company. They are located in Philadelphia, Pennsylvania and have a small team. Their services include advertising, digital strategy, e-commerce development, pay per click, and more.

Uprgrow is a PPC, SEO, and digital strategy firm based in San Francisco. Founded in 2018, their team of 5 serves clients in the business services, IT, and financial services sectors. Services include on-site optimization, link earning, Facebook advertising, and Google Ads.

From San Francisco, Landis Communications is a full-service digital PR and marketing agency. Founded in 1990, they have the experience and the skill to help out your company in any situation. Their team of 15+ specializes in public relations in addition to digital strategy, branding, social media, email, and content marketing.

Esper Inbound is a PPC marketing agency located in Irvine, California. Founded in 2018, their team of 4 employees focuses on the e-commerce sector but serves a variety of industries. In addition to PPC campaigns, their expertise also encompasses social media marketing and conversion optimization.

Advertas is a marketing firm founded in Houston in 2004 with fewer than 10 employees. They are experts in marketing strategy, branding, and UX/UI design solutions for clients ranging from small firms to large companies in the fields of energy and business services.