SELECT 
  * 
FROM 
  companies AS com 
  LEFT JOIN products AS prod ON com.company_id = prod.company_id 
WHERE 
  prod.product_id = 153808

Query time 0.00073

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "1.00"
    },
    "nested_loop": [
      {
        "table": {
          "table_name": "prod",
          "access_type": "const",
          "possible_keys": [
            "PRIMARY",
            "idx_company_id"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "product_id"
          ],
          "key_length": "3",
          "ref": [
            "const"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 1,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "0.00",
            "eval_cost": "0.10",
            "prefix_cost": "0.00",
            "data_read_per_join": "4K"
          },
          "used_columns": [
            "product_id",
            "product_code",
            "product_type",
            "status",
            "company_id",
            "list_price",
            "amount",
            "weight",
            "length",
            "width",
            "height",
            "shipping_freight",
            "low_avail_limit",
            "timestamp",
            "updated_timestamp",
            "usergroup_ids",
            "is_edp",
            "edp_shipping",
            "unlimited_download",
            "tracking",
            "free_shipping",
            "zero_price_action",
            "is_pbp",
            "is_op",
            "is_oper",
            "is_returnable",
            "return_period",
            "avail_since",
            "out_of_stock_actions",
            "localization",
            "min_qty",
            "max_qty",
            "qty_step",
            "list_qty_count",
            "tax_ids",
            "age_verification",
            "age_limit",
            "options_type",
            "exceptions_type",
            "details_layout",
            "shipping_params",
            "weight_lbs",
            "weight_oz",
            "product_tax_code",
            "deleted_at",
            "archived_at",
            "position"
          ]
        }
      },
      {
        "table": {
          "table_name": "com",
          "access_type": "const",
          "possible_keys": [
            "PRIMARY"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "company_id"
          ],
          "key_length": "4",
          "ref": [
            "const"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 1,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "0.00",
            "eval_cost": "0.10",
            "prefix_cost": "0.00",
            "data_read_per_join": "14K"
          },
          "used_columns": [
            "company_id",
            "status",
            "company",
            "lang_code",
            "address",
            "city",
            "state",
            "country",
            "zipcode",
            "email",
            "phone",
            "url",
            "storefront",
            "secure_storefront",
            "entry_page",
            "redirect_customer",
            "countries_list",
            "timestamp",
            "shippings",
            "logos",
            "request_user_id",
            "request_account_name",
            "request_account_data",
            "plan_id",
            "stripe_connect_account_id",
            "identifier_facebook_pixel",
            "featured_products",
            "sd_ga_tracking_code",
            "paypal_commerce_platform_account_id",
            "tagline",
            "url_facebook",
            "url_instagram",
            "url_twitter",
            "url_pinterest",
            "announcement",
            "shippo_api_token",
            "shippo_carrier",
            "shippo_service_type",
            "vendor_ga_tracking_code",
            "vendor_fb_tracking_code",
            "custom_domain",
            "custom_domain_status",
            "taxjar_key",
            "taxjar_export_statuses",
            "taxjar_export_csv_data",
            "ag_hide_city",
            "updated_timestamp",
            "suspend_date",
            "grace_period_start",
            "last_time_suspended",
            "last_debt_notification_time",
            "tax_number",
            "stripe_connect_account_type",
            "registered_from_storefront_id"
          ]
        }
      }
    ]
  }
}

Result

company_id status company lang_code address city state country zipcode email phone url storefront secure_storefront entry_page redirect_customer countries_list timestamp shippings logos request_user_id request_account_name request_account_data plan_id stripe_connect_account_id identifier_facebook_pixel featured_products sd_ga_tracking_code paypal_commerce_platform_account_id tagline url_facebook url_instagram url_twitter url_pinterest announcement shippo_api_token shippo_carrier shippo_service_type vendor_ga_tracking_code vendor_fb_tracking_code custom_domain custom_domain_status taxjar_key taxjar_export_statuses taxjar_export_csv_data ag_hide_city updated_timestamp suspend_date grace_period_start last_time_suspended last_debt_notification_time tax_number stripe_connect_account_type registered_from_storefront_id product_id product_code product_type list_price amount weight length width height shipping_freight low_avail_limit usergroup_ids is_edp edp_shipping unlimited_download tracking free_shipping zero_price_action is_pbp is_op is_oper is_returnable return_period avail_since out_of_stock_actions localization min_qty max_qty qty_step list_qty_count tax_ids age_verification age_limit options_type exceptions_type details_layout shipping_params weight_lbs weight_oz product_tax_code deleted_at archived_at position
4266 A Elle Deeinn Designs en 695 GA-49 Milledgeville GA US 31061 teebaby0131@gmail.com none Y 1637572001 0 1 acct_1JtcsaEoMcd4bUc2 Optimizing the Approach of How Knitwear is Worn https://www.facebook.com/elle.dienne.7 https://instagram.com/elle_crochet?utm_medium=copy_link https://mobile.twitter.com/elle_crochet https://pin.it/cjqIse4 <p>Welcome to my shop! Thanks for stopping by, I've got some great deals on exclusive knitwear pieces. Be sure to keep up, I'll be including Fall and Winter knitwear soon!</p> <p>All items contained in this store are hand crafted with 100% cellulose fibers, mainly cotton. Other fibers will may include bamboo, hemp, and cellulose blends or possible biodegradable blended fibers.&nbsp;<br></p> <p>All sample pieces are done in a standard US size guide system. I suggest that when placing your order, refer to a current top size or bra size that you wear. My sizing start at extra small up to extra large.</p><p>&nbsp;I do offer custom orders, just message me with your specific measurements in accordance with the style of the garment listed. For example: tops may require to know bust, under bust, and waist or upper arm measurements. I will make contact via messaging to update buyer on final measurements before shipping and handling process is completed, but will still ship out orders if no response is made. Please see terms and conditions concerning cancelations and exchanges.&nbsp;</p> <p>Thank you for stopping by and please be sure to check out my social media links to stay connected with updates, sales, deals, and new arrivals. Feel free to tag me in any post wearing my creation and receive a special discount offer!</p> <p><br></p> <p>-Edi</p> A N 1680928022 0 0 0 0 S 153808 GI-153808-CHM P 46.17 3 0.563 0 0 0 9.00 0 0 N N N B N R N N N Y 10 0 N 0 0 0 0 N 0 P F a:5:{s:16:"min_items_in_box";i:0;s:16:"max_items_in_box";i:0;s:10:"box_length";i:0;s:9:"box_width";i:0;s:10:"box_height";i:0;} 0.000 9.000 2147483647