Last updated June 1 at 12:30 p.m. A range of companies from every corner of the regional economy are stepping up to help flood relief efforts in different ways. Among the most recently announced contributions are gifts from Piedmont Natural Gas and a regional vegetable distributor. • National engineering PBS&J, which runs a local office near Nashville International Airport, has presented the American Red Cross with a $10,000 donation. • Tractor Supply has presented United Way of Williamson County with a check for $100,000 to support relief efforts. The Brentwood-based retailer also is matching donations made by its employees to assist other Tractor Supply workers affected by the flood. • Medco Health Solutions has donated $125,000 to the Red Cross. • Regional bank BB&T will donate $25,000 and more than 200 cases of water to the Red Cross. • Piedmont Natural Gas is providing $200,000 to the flood relief efforts. Half of that will be distributed through the Metro Action Commission to help low-income individuals and families replace their natural gas appliances. The remainder will go to the Red Cross, the Community Foundation, Hands on Nashville and other groups. • Arkansas-based vegetable company Allens said it has donated 70,000 cans to local residents in the past week. • Bridgestone Americas will donate $50,000 to the Nashville Area Red Cross and its parent, Bridgestone Corp., will donate $50,000 to the Clarksville-Montgomery County Red Cross and the Rutherford County Red Cross. • Southwest Airlines said Tuesday it is  donating 10 pallets of drinking water to a Red Cross warehouse in Lebanon. • Walmart and the Walmart Foundation are giving $250,000 in cash and in-kind donations to the Red Cross and the Salvation Army. • The Home Depot Foundation is donating $100,000 to the Community Foundation. The retailer's charitable arm also is mobilizing more than 70 volunteers and giving $15,000 to Hands On Nashville. • Ladder maker Werner is piggybacking on the gift from Lowe's, giving $10,000 to the Red Cross relief fund. • The CMA said will donate half of all proceeds from its mammoth CMA Music Festival next month to the Community Foundation. The gift could top $1 million. • Franklin-based Nissan has donated $200,000 to the Red Cross and $50,000 to Second Harvest Food Bank. The auto maker also will match another $50,000 in employee donations and is offering employee pricing for those who lost their cars to the flood. • Nationwide Insurance has written a $100,000 check to the Red Cross. • A group of local restaurants led by Doug Hogrefe at Amerigo's will donate half of their take on May 17 to the cause. Check this Twitter feed for more info. • The SunTrust Foundation announced it will donate $50,000 to the Red Cross. • Hooters franchisee RMD will donate and double the revenue generated Friday and Saturday from the sale of its top-selling fried pickles. • Area McDonald's operators will donate $25,000 to the Red Cross. Ted Bertuca Jr., president of the McDonald's Middle Tennessee Co-op, said the donation will include $5,000 from Dr. Pepper and $1 for each McCafé Frappé sold on Friday. The national Ronald McDonald House Charities also will donate $25,000 to the Red Cross. • Shoe Carnival will match up to $10,000 of its customers' donations to the Red Cross. • Toyota Financial Services will donate $25,000 to support the Red Cross, The Salvation Army and Second Harvest. The auto maker's finance arm also will its employees in Nashville paid time off to volunteer during the next few weeks. • Soles4Souls will hand out 85,000 pairs of shoes at the Fairgrounds early next week. Check the details here. The charity also will have available for pick-up next week at its headquarters food and drinks and is preparing a longer-term giving initiative. • Lowe's has donated $50,000 to the Red Cross to help people affected by the floods and tornadoes across the region. • CVS Caremark has given $100,000 to the Red Cross and another $13,000 worth of food and personal-care items to be distributed here and in Albertville, Ala. • Walgreens is donating various supplies to shelters around the city and making it easy for customers to donate to the Red Cross at its stores. • The Beaman Foundation is donating a total of $60,000 to the Red Cross, Salvation Army and Second Harvest for flood relief. In addition, employees are donating money and the auto dealer is matching employee donations to assist a number of its workers who have incurred major losses. • HCA has donated $500,000 to the Red Cross and has granted the organization space at its Skyline Medical Center to house some 80 employees at a statewide command center. • Lipscomb University is providing housing for about 80 volunteer leaders trained by Missouri-based Service International, which is aiming to clean up almost 100 hours this weekend. E-mail Ed Fasnacht at SI for more info about being a crew leader. A training session is scheduled for Thursday at 6 p.m. • Publix Super Markets Charities has donated $100,000 to the Red Cross, is collecting nonperishable items for the Second Harvest and is coordinating the collection of another $25,000 of goods with Feed the Children. • The Fifth Third Foundation has donated $25,000 to the Community Foundation of Middle Tennessee and donated more than a ton of food to Second Harvest. The bank's employees also will deliver lunch Saturday to almost 20 police and fire stations around the city. • The Baptist Healing Trust has donated $50,000 to the Tennessee Emergency Response Fund housed at the Community Foundation. • Anheuser-Busch has delivered more than 100,000 cans of water to the Metro Southeast Building. (Update: The brewing giant has doubled that number to 206,000 bottles; a fourth truck arrived in town Thursday morning.) • CSX also has delivered water, shipping about 4,000 one-gallon jugs and almost 45,000 10-oz. bottles to Second Harvest. The railroad also has donated $10,000 to the Red Cross. • Retailer Kohl's has given $50,000 to the Red Cross and will make grants to nonprofits for which its employees do volunteer work. • Gaylord Entertainment has donated to the Tennessee Baptist Disaster Relief Group the food it had ordered for its now-evacuated guests. • Law firm Bradley Arant Boult Cummings has made its Roundabout offices available to clients and other attorneys and donated $25,000 to the Community Foundation's flood relief fund. • AT&T also has given $25,000 to the Red Cross. • UnitedHealth has set up an early-prescription-refill program that will run until the 17th. The insurer also activated a mental health crisis line and donated $50,000 to the Red Cross. • Dollar General is giving clothing and supplies to the Red Cross as well as cleaning products to the Second Harvest. (Update: The retailer says it is also donating more than $200,000 to various groups.) • The First Tennessee Foundation has written $125,000 checks to both the Red Cross and the Salvation Army and will match up to $250,000 in contributions made to those organizations between now and May 15. We'll continue to update this list as we run across other instances of post-flood philanthropy.