MCK vs PWR Comparison

McKesson is one of three leading pharmaceutical wholesalers in the US engaged in sourcing and distributing branded, generic, and specialty pharmaceutical products to pharmacies (retail chains, independent, and mail order), hospitals networks, and healthcare providers. Along with Cencora and Cardinal Health, the three account for over 90% of the US pharmaceutical wholesale industry. Outside the US market, McKesson engages in pharmaceutical wholesale and distribution in Canada. Additionally, the company supplies medical-surgical products and equipment to healthcare facilities and provides a variety of technology solutions for pharmacies.

Quanta Services is a leading specialty contractor serving customers across the utility, telecom, oil and gas, and renewable energy markets. The company operates through two segments: electric and underground utility. Through a combination of organic growth and a disciplined acquisition strategy, Quanta has grown into the largest provider of electric transmission and distribution contracting services in the US.